bus_space_subregion
bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
#define bus_space_subregion(t, h, o, s, hp) \
#define bus_space_subregion(t, h, o, s, hp) \
#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
#define bus_space_subregion(t, h, o, s, hp) \
#define bus_space_subregion BUS_SAN(subregion)
bus_space_subregion(bus_space_tag_t t __unused, bus_space_handle_t bsh,